Gaya APA

EDWARDS, Chris.. (2001). The Essence of Information System = Sistem Informasi . Yogyakarta: Andi.

Gaya Chicago

EDWARDS, Chris.. The Essence of Information System = Sistem Informasi. Yogyakarta: Andi, 2001. Text.

Gaya MLA

EDWARDS, Chris.. The Essence of Information System = Sistem Informasi. Yogyakarta: Andi, 2001. Text.

Gaya Turabian

EDWARDS, Chris.. The Essence of Information System = Sistem Informasi. Yogyakarta: Andi, 2001. Print.